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-rw-r--r--lib/libc/string/memchr.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/libc/string/memchr.c b/lib/libc/string/memchr.c
new file mode 100644
index 0000000..9da3265
--- /dev/null
+++ b/lib/libc/string/memchr.c
@@ -0,0 +1,11 @@
+#include <string.h>
+
+void *memchr(const void *s, int c, size_t n) {
+ const char *p = s;
+ while (n--) {
+ if ((char)c == *p++) {
+ return (void*)(p-1);
+ }
+ }
+ return NULL;
+}